Inventions Who invented Gunpowder? Leo H Baekeland G. Ferdinand Von Zeppelin Sir Frank Whittle Roger Bacon Leo H Baekeland G. Ferdinand Von Zeppelin Sir Frank Whittle Roger Bacon ANSWER DOWNLOAD EXAMIANS APP
Inventions Where was the yo-yo invented? Philippines England United States France Philippines England United States France ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade was the first solid state integrated circuit demonstrated? 1950s 1970s 1960s 1980s 1950s 1970s 1960s 1980s ANSWER DOWNLOAD EXAMIANS APP
Inventions What invention by Garnet Carter made its debut at the Fairyland Inn Resort in Lookout Mountain, Tennessee, in 1927? Golf cart Miniature golf Ski lift Swimming pool slide Golf cart Miniature golf Ski lift Swimming pool slide ANSWER DOWNLOAD EXAMIANS APP
Inventions The initials JCB on earth-moving equipment are those of the founder of the company that makes it. What is his name? John Christopher Baxter Jack Croxford Baker Joseph Cyril Bamford John Christopher Ballantyne John Christopher Baxter Jack Croxford Baker Joseph Cyril Bamford John Christopher Ballantyne ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Fountain Pen? Sir Frank Whittle John J. Loud Lewis E. Waterman Kirkpatrick Macmillan Sir Frank Whittle John J. Loud Lewis E. Waterman Kirkpatrick Macmillan ANSWER DOWNLOAD EXAMIANS APP
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